Experience designing and delivering modern web user interfaces, dashboards, or data visualization experiences that support transaction lifecycle visibility, settlement reporting, operational insights, exception management, and data-driven workflows using contemporary frontend technologies and patterns such as React, Angular, TypeScript, micro-frontends, reusable component libraries, accessibility, responsive design, and secure UI integration with APIs. This person will look across multiple engineering mission teams to ensure the platform is architected, integrated, delivered, and operated as a coherent end-to-end capability, while remaining close to day-to-day engineering execution including architecture decisions, design reviews, code reviews, debugging, production readiness, operational troubleshooting, and technical mentoring.